152results about "Static coding" patented technology

A method and system for mapping a number of characters in a string, wherein the string comprises a combination of characters representing indexed expressions and a combination of characters representing non-indexed expressions. One embodiment produces a weight array that can be utilized to compare a first and second string having indexed and non-indexed expressions. In one embodiment, a method generates a set of special weights for characters that represent indexed and non-indexed expressions. The method then associates a weight value of an indexed expression with the specific group of characters representing a specific non-indexed expression, and generates a weight array by retrieving a plurality of special weights associated with the specific group of characters representing the specific non-indexed expression and the associated weight value of the indexed expression.

An information processing device of the present invention includes a housing, a plurality of control buttons provided on a surface of the housing, button data generation means for, when one of the control buttons is operated, generating the control button data according to a kind of the control button, and a motion sensor for generating the motion data according to movement of housing. The motion data is stored in the memory as necessary. The magnitude of housing movement at a point in time when the control button is operated is calculated, by using motion data already stored in the memory upon obtaining the control button data generated at the point in time and / or motion data stored in the memory after obtaining the control button data. A process determined according to the kind of the control button data is performed based on the magnitude.

A mobile communications terminal and a method for preventing an input error of a key input unit are provided. The mobile communications terminal includes a touch sensor unit for sensing a key that is input by touching a keypad region in order to output a key input signal corresponding to the key and a controller adapted to determine a key input according to either a priority between multiple keys from which key signals are received or whether a received key signal was generated inadvertently.

A mobile communications terminal and a method for preventing an input error of a key input unit are provided. The mobile communications terminal includes a touch sensor unit for sensing a key that is input by touching a keypad region in order to output a key input signal corresponding to the key and a controller adapted to determine a key input according to either a priority between multiple keys from which key signals are received or whether a received key signal was generated inadvertently.

The apparatus of interruptible analog input of the present invention includes: a plurality of resistors; a electronic signal detecting circuit used to detect the terminal electronic signal generated by the plurality of resistors and then generate a real-time signal when the terminal electronic signal changes; a analog-to-digital converter used to convert the terminal electronic signal into a digital format whenever the terminal electronic signal changes. The method of interruptible analog input of the present invention includes: detecting whether the terminal electronic signal of a plurality of resistors changes, if not, then executing the current proceeding process, else, determining whether interrupting the current proceeding process or not; if determining to interrupt, converting the changed terminal electronic signal into a digital format; finding the pressed key of a keyboard corresponding to the digital format via a lookup table and then executing the corresponding function of the pressed key.

A switch-equipped lever of the type mounted on a vehicle steering column and having an end knob with a switch mechanism for controlling a remote vehicle system, in which the knob is provided with a wireless signal transmitter, the wireless transmitter controlled by the switch mechanism in the knob to control the remote vehicle system with a wireless signal.

An object of the present invention is to provide an input apparatus and input key capable of reducing the number of operations on the input key for input of symbols and permitting a user to designate a symbol to be inputted, by a simpler operation. An input key 10a to which a plurality of symbols or marks are assigned, has a key top 30a to be pushed, a sensor part 32 for detecting a push position on a surface of the key top 30 by a finger or the like used to push the key top 30a, a moving direction detector 34 for detecting a change of the push position of the finger or the like detected by the sensor part 32 and for detecting a moving direction of the finger or the like during movement thereof on the surface of the key top 30, and a switch 40a to change a state with a push on the key top 30, and has a converter 50 for converting a state of the switch 40a and the moving direction detected by the moving direction detector 34, into symbol information.

A general Chinese phonetic keyboard setting apparatus enables the user to define a phonetic keyboard in a computer system. The user can define a key to correspond with a Chinese phonetic character (one key, one sound), or one key to correspond with several Chinese phonetic characters (one key, several sounds), or a Chinese phonetic character to correspond with several keys (one sound, several keys). Based on mutual acceptance and mutual rejection among finals, initials, medials and tones of the Chinese phonetic characters, whether or not the Chinese phonetic keyboard that was defined by the user is rational can be automatically verified to aid the user in defining a logical Chinese phonetic keyboard. Not only can the Chinese character input habit of different people can be satisfied, the Chinese character input speed can also be increased.

A device for use in an apparatus, preferably a radiotelephone, is equipped with a plurality of keys. Upon activation of a key, the device detects which key has been activated. The device includes a signal generating unit which generates an oscillating signal whose character corresponds to the activated key. A signal detecting unit determines, from the character of the oscillating signal, a digital value which indicates which key has been activated.

The invention is related to a method and a device for use in an apparatus, preferably a portable radiotelephone, equipped with a number of keys. Upon activation of a key, the device detects which key has been activated. The device comprises a signal generating unit which generates an oscillating signal whose character, e.g. frequency, unambiguously corresponds to the activated key. A signal detecting unit determines from the character of the oscillating signal a digital value which unambiguously indicates which key has been activated. An advantage offered by the invention is that the device can be implemented by use of simpler and cheaper circuits than prior known devices of similar type.

A switch circuit includes: a first charge / discharge circuit having a fixed first time constant; a second charge / discharge circuit having a second time constant associated with the operation statuses of a plurality of switches; first and second input / output ports to which the first and second charge / discharge circuits are connected, respectively; and a control section adapted to measure the first and second time constants by charging or discharging the first and second charge / discharge circuits and determine the operation statuses of a plurality of switches based on the ratio of the measured first and second time constants.

A control circuit (1602) of a surgical device (1600) is disclosed. The control circuit includes a first circuit portion coupled to at least one switch operable between an open state and a closed state. The first circuit portion communicates with a surgical generator (102) over a conductor pair (112) to receive a control signal to determine a state of the at least one switch.

The keypad interface element of this invention uses a relaxation oscillator and a digital keypad processor having a counter / timer to decode specific keys. The RC portion of the relaxation oscillator includes a resistance ladder and a set of momentary on pushbutton switches disposed change resistance dependent upon which key is pressed. This causes the relaxation oscillator to produce an output signal having a corresponding frequency. The counter / timer of the digital keypad processor produces a count corresponding to the oscillator frequency. The digital keypad processor latches and holds a binary number specifically identifying the depressed key. A state machine in the digital keypad processor provides transient-free, noise immune keypad decoding.

A keypad and key device featuring a plurality of contacts on the rear face of a keypad key that each mate with an individual contact pad from a plurality of contact pads placed below the upwardly biased and tiltable keys. Pushing a key on a right side or left side mates different pairs of contacts and contact pads generating different characters for input to a cellular phone or small computer. Pushing the key in the center will generate a third character by mating both contacts with both contact pads. The keys may also have more than two contacts mating with more than two contact pads and tilt to a variety of positions to mate the respective contacts with contact pads. Consequently, one depression of a key enables any one of a plurality of characters assigned thereto to be inputted which is effective in accelerating a data inputting process.

An apparatus and method for utilizing software to implement hot key functions without an embedded controller. A keyboard with hot keys, a keyboard encoder and a software driver module utilizes a software solution to implement hot key switching and hot key functions in a computer system without an embedded controller, providing the same functionality as a computer system with embedded controller.

An apparatus for data input. The apparatus comprises a sensing circuit for a plurality of keys, outputting an interruption signal and a corresponding group of data bits when one of the keys is pressed, a shift register circuit receiving a strobe signal, a clock signal and the group of data bits in parallel from the sensing circuit when the strobe signal is asserted, and serially outputting the group of data bits in synchronization with the clock signal, and a microcontroller receiving the interruption signal, outputting the strobe signal and clock signal when the interruption signal is asserted, and serially receiving the group of data bits from the shift register circuit to identify the key being pressed.

A user accesses a search server from a cellular telephone, and enters on a search page a numeric string obtained by numerical conversion of a keyword related to a desired site in accordance with an assignment relationship between characters and numerical keys. The search server searches a database by using as a key the numeric string sent thereto or a character string obtained by character conversion of the numeric string in accordance with the above-mentioned assignment relationship to retrieve candidates for a connection destination site, thereby sending back a reply to the cellular telephone of the user. The user selects a desired connection destination site from among the candidates to send back a reply to the search server. The search server responds to the cellular telephone by indicating a site address previously associated with the determined connection destination site as an access request destination. The cellular telephone accesses the connection destination site indicated by the received response.

A system (e.g., a programmable resistive device) including switches and resistors. Respective ones of each of the switches is connected in series with respective ones of each of the resistors to form switch-resistor branches. The switch-resistor branches are connected in parallel between first and second nodes. Respective ones of the switches receive control signals to turn them ON, which forms an equivalent resistor having an equivalent resistance. A resistance of the switch is substantially insignificant compared to a resistance of the resistor in each of the switch-resistor branches making the equivalent resistance substantially linear.

A portable information device capable of processing data input from an external device and a method thereof. The portable information device has an interfacing unit in connection with the external device for receiving an input of key data therefrom, and a key code converting unit for converting the input key data into key code values that can be input to the portable information device. As a user can input data through a keypad of a mobile telephone with which he / she is familiar, the user can input data with speed and convenience.

An input device includes a resistor group, an input terminal, a plurality of switches, and a control unit. The resistor group includes a plurality of resistors connected in series. The input terminal is connected to one end of the resistor group. Each switch of the plurality of switches has one end connected to each resistor of the plurality of resistors at an opposite side viewed from the input terminal and the other end grounded. The control unit detects an applied voltage to the input terminal when the plurality of switches are all turned off. Furthermore, the control unit detects an output voltage from the input terminal when any of the plurality of switches is turned on, and detects a switch that is turned on among the plurality of switches based on a voltage ratio of the output voltage to the applied voltage.

An input key to which a plurality of information elements to be inputted are assigned, comprises: a key top to be pushed; and detecting means for detecting a push on the key top and for, when detecting the push on the key top, detecting a relative displacement of the key top from a predetermined reference position.

An electronic keyboard including a plurality of keys arranged as a matrix, each key including a plunger, and a conductive element on the bottom of the plunger, the conductive element having a characteristic resistance, an electronic circuit having an input current source, and mounted on a surface beneath the plurality of keys such that when a key is pressed its conductive element closes a switch in the circuit, an analog-to-digital convertor for converting an output voltage of the circuit to a digital signal, and a controller for determining from the digital signal when a key is pressed, and for identifying the key that is pressed.

A first current is driven through a first current path from a first common node, through a key matrix, and to a second common node when a key is pressed. A first measurement of the first current path resistance is made. A second current is then driven through a second current path from the second common node, through the key matrix, and to the first common node. A second measurement of the second current path resistance is made. The first and second measurements are used to identify the key that was pressed. Each key corresponds to a unique pair of first and second measurement values. In one example, non-linear resistance circuits are disposed at the ends of the row and column conductors of the key matrix such that a row resistor in the first current path is measured independently of a column resistor in the second current path.

Keypad apparatus for registering signals corresponding to data that a user enters by pressure on keys of an array in a surface extending in two dimensions. The elements of first and second sets of impedance elements (R) are connected in series through respective interconnections and a signal processor applies first and second reference signals across the first and second sets of impedance elements respectively. User pressure on the keys makes or breaks connections through corresponding contact elements between a respective pair of the interconnections, one from the first set of impedance elements and one from the second set of impedance elements, so as to generate first and second output signals (PX1, PY1) that together are a corresponding combination of the first and second reference signals that is unique to the actuated key elements.

The invention discloses a method for transmitting key information. A resistance and a key are connected on a microphone signal line so that different voltage presenting different key information can be produced correspondingly after pressing different key respectively and the key information can be transmitted to key signal detecting unit by the microphone signal line to decide which key is pressed according to the voltage in the key information. The invention also discloses an audio device comprising a key resistance unit used to produce different voltage presenting different key information when the key is pressed; a microphone signal line connected with the key resistance unit to transmit the key information; a key signal detecting unit connected with the microphone signal line to receive the key information and decide which key is pressed according to the voltage in the key information. By the invention, keys can be added on the audio device without need of adding signal line.

An electronic device with multiple buttons includes a first resistor combination, a second resistor combination, N buttons, and an output node. A first end of the first resistor combination is connected to a high voltage. A second end of the first resistor combination is connected to a third end of the second resistor combination. A fourth end of the second resistor combination is connected to a low voltage. The first resistor combination has p serially connected resistors, and the second resistor combination has q serially connected resistors. The sum of p and q equals M, a positive integer equal to or large than 3. Each button is connected in parallel with at least one resistor. The output node is deposited between the first and the second resistor combinations. The output node outputs an analog signal whose voltage corresponds to the states of the buttons.

The invention discloses a resistor switching circuit, a storage circuit and a consumable chip. The resistor switching circuit is used in the consumable chip, and comprises a plurality of resistor switching branch circuits and a decoder, wherein each resistor switching branch circuit comprises a switching switch and a resistor which are connected in series into the conducting loop of a signal wire; the decoder is connected with a data storage module in the consumable chip, and is used for outputting a switching instruction according to a signal output by the data storage module to control the switching switch of the corresponding resistor switching branch circuit to connect the corresponding resistor into the conducting loop of the signal wire or separate the resistor from the conducting loop of the signal wire, so as to change the resistance value in the conducting loop of the signal wire. The consumable chip comprising the resistor switching circuit is easy to modify, and is suitable for printing image equipment which accesses data of the consumable chip through a voltage source and current, so as to be convenient to maintain, and improve the recycling efficiency more conveniently.